Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat moc chau snippets" » "dat toc cham snippets", "dat hoc chat snippets", "dat doc chau snippets", "dat nuoc chau snippets", "dat duoc chau snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dat moc chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat moc chau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat moc chau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat moc chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.